Open Travel Guide
Weather in Bangladesh

Bangladesh Weather & Climate Guide 2026

Bangladesh's climate in numbers — the months that flatter it, the ones to avoid, and what to pack.

Bangladesh offers an incredible mix of natural wonders, from the world's longest beach at Cox's Bazar to the mangrove forests of the Sundarbans. Experience vibrant culture, ancient heritage sites, and warm hospitality in this South Asian gem.

Bangladesh has a subtropical monsoon climate characterized by a hot, humid summer, a wet monsoon season from June to October, and a pleasant cool winter from November to February. Temperatures range from 8°C in January in the north to over 40°C in April-May, with the capital Dhaka averaging 26°C year-round. The country receives 1,500-3,000mm of rainfall annually, mostly from June to September when flooding affects large parts of the delta.

Best time to visit

Recommendation

Best: November to February

Peak Season: November to February

Shoulder Season: October and March

Avoid: April to September (monsoon season)

Best Reason:

Avoid Reason:

Month-by-month weather

Typical conditions throughout the year.

January

15C/59F

Coolest month, clear skies, dry. Excellent for all outdoor activities.

February

18C/64F

Still cool and pleasant, spring flowers beginning. Excellent weather.

March

24C/75F

Warming up, pleasant for sightseeing. Pre-monsoon heat building.

April

29C/84F

Hot and increasingly humid. Pohela Boishakh (April 14) celebrations.

May

30C/86F

Hot and muggy, occasional nor'westers. Mango season begins.

June

29C/84F

Monsoon begins, heavy daily rain. Green and dramatic but disruptive.

July

28C/82F

Peak monsoon, widespread flooding, rivers at full flood stage.

August

28C/82F

Monsoon continues, highest flood risk month. Limited travel options.

September

28C/82F

Monsoon easing, still wet. Ratargul Swamp Forest still submerged.

October

26C/79F

Post-monsoon, lush green, waterfalls at peak. Excellent for hill tracts.

November

22C/72F

Cool and dry, winter approaching. Great for Sundarbans and beaches.

December

17C/63F

Cool and pleasant, peak tourist season beginning. Christmas in Dhaka.

The seasons

What to expect in each part of the year.

Season

Spring

Months: Mar-May

Pre-monsoon hot season with temperatures climbing sharply. Mango season begins in May and the landscape turns dry and dusty. Nor'westers (kalbaishakhi) — dramatic evening thunderstorms — occur frequently in April and May.

Season

Summer

Months: Jun-Sep

Monsoon season with heavy daily rainfall, high humidity, and warm temperatures around 30°C. Rivers flood extensively across the delta. St. Martin's Island boat services stop. Ratargul Swamp Forest at its most spectacular when fully submerged.

Season

Fall

Months: Oct-Nov

Post-monsoon transition — rains ease, temperatures moderate, and the landscape is lush green from the monsoon. Waterfalls at peak flow in Bandarban. October is excellent for Chittagong Hill Tracts trekking as trails are clear and vegetation is vivid.

Season

Winter

Months: Dec-Feb

Bangladesh's best and most popular season with cool, dry weather and clear skies. Temperatures in Dhaka average 15-22°C. The north can see temperatures drop to 8-10°C. St. Martin's Island accessible. Sundarbans ideal season.

Crowds & peak times

When to expect tourists and when to avoid them.

High Season
Nov-Feb
Shoulder Season
Oct and Mar
Low Season
Apr-Sep

Major events & festivals

Time your visit around what matters.

Event

Pohela Boishakh (Bengali New Year)

Major cultural celebration with processions, traditional foods (panta bhat with ilish fish), music, and festivities. Biggest celebration at Dhaka University with Mangal Shobhajatra parade. Everyone wears traditional clothing.

Event

Eid ul-Fitr

Biggest Muslim celebration marking end of Ramadan. Three-day public holiday with family gatherings, feasts, special prayers, and gift-giving. Cities empty as people return to villages.

Event

Eid ul-Adha

Festival of Sacrifice with animal sacrifices, meat distribution to poor, family gatherings. Major public holiday. Streets crowded with livestock markets beforehand.

Event

Durga Puja

Major Hindu festival celebrating Goddess Durga. Elaborate pandals (temporary temples) throughout country, especially Dhaka. Cultural programs, traditional music, and food. Dhakeshwari Temple focal point.

Event

Victory Day

Celebrates 1971 independence from Pakistan. National holiday with parades, ceremonies at National Martyrs' Memorial, cultural programs. Patriotic atmosphere throughout country.

Event

International Mother Language Day

UNESCO-recognized day honoring Language Movement martyrs. Ceremonies at Shaheed Minar, barefoot processions, cultural programs. Pride in Bengali language celebrated.

Event

Independence Day

Commemorates 1971 declaration of independence. National holiday with flag hoisting, military parades, cultural events, and visits to war memorials.

Event

Ramadan

Holy month of fasting. Experience special iftar (breaking fast) meals with dates and traditional foods. Evening streets come alive with food vendors. Old Dhaka iftar markets famous. Many restaurants closed during day.